Help/Streams-Patterns-Events/Patterns/Plazy.html

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  27 <p class="p1"><span class="s1"><b>Plazy<span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></b></span><b>instantiate new patterns from a function</b></p>
  28 <p class="p2"><br></p>
  29 <p class="p1"><b>superclass: </b><a href="Pattern.html"><span class="s2">Pattern</span></a></p>
  30 <p class="p2"><br></p>
  31 <p class="p1">Plazy evaluates a function that returns a pattern and embeds it in a stream.</p>
  32 <p class="p2"><br></p>
  33 <p class="p1"><b>Plazy(func)</b></p>
  34 <p class="p2"><br></p>
  35 <p class="p1"><b>func:</b> A function that returns a pattern or any other valid pattern input</p>
  36 <p class="p2"><br></p>
  37 <p class="p2"><br></p>
  38 <p class="p3"><span class="s3">see also: <a href="PlazyEnvir.html"><span class="s4">PlazyEnvir</span></a>, <a href="PlazyEnvirN.html"><span class="s4">PlazyEnvirN</span></a></span></p>
  39 <p class="p2"><br></p>
  40 <p class="p2"><span class="Apple-converted-space"> </span></p>
  41 <p class="p4">(</p>
  42 <p class="p4">a = <span class="s2">Plazy</span>({<span class="Apple-converted-space"> </span></p>
  43 <p class="p4"><span class="Apple-tab-span">     </span><span class="s2">var</span> x, y;</p>
  44 <p class="p4"><span class="Apple-tab-span">     </span>x = <span class="s2">Array</span>.series(rrand(2, 4), [1, 100].choose, 1);</p>
  45 <p class="p4"><span class="Apple-tab-span">     </span><span class="s2">Pshuf</span>(x,1);</p>
  46 <p class="p4">});</p>
  47 <p class="p4">x = <span class="s2">Pn</span>(a, <span class="s2">inf</span>).asStream;</p>
  48 <p class="p4">30.do({ x.next.postln });</p>
  49 <p class="p4">)</p>
  50 <p class="p2"><br></p>
  51 <p class="p2"><br></p>
  52 <p class="p1">Plazy used to produce a sequence of pitches:</p>
  53 <p class="p2"><span class="Apple-converted-space"> </span></p>
  54 <p class="p4">(</p>
  55 <p class="p5"><span class="s2">SynthDef</span><span class="s3">(</span>\help_sinegrain<span class="s3">,<span class="Apple-converted-space"> </span></span></p>
  56 <p class="p4"><span class="Apple-tab-span">     </span>{ <span class="s2">arg</span> out=0, freq=440, sustain=0.05;</p>
  57 <p class="p4"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s2">var</span> env;</p>
  58 <p class="p4"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>env = <span class="s2">EnvGen</span>.kr(<span class="s2">Env</span>.perc(0.01, sustain, 0.2), doneAction:2);</p>
  59 <p class="p4"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s2">Out</span>.ar(out, <span class="s2">SinOsc</span>.ar(freq, 0, env))</p>
  60 <p class="p4"><span class="Apple-tab-span">     </span>}).add;</p>
  61 <p class="p4">)</p>
  62 <p class="p6"><br></p>
  63 <p class="p6"><br></p>
  64 <p class="p6"><br></p>
  65 <p class="p4">(</p>
  66 <p class="p4">a = <span class="s2">Plazy</span>({<span class="Apple-converted-space"> </span></p>
  67 <p class="p4"><span class="Apple-tab-span">     </span><span class="s2">var</span> x, y;</p>
  68 <p class="p4"><span class="Apple-tab-span">     </span>x = <span class="s2">Array</span>.series(rrand(2, 4), [1, 5].choose, 1);</p>
  69 <p class="p4"><span class="Apple-tab-span">     </span>x.put(x.size.rand, 8+0.1.rand2);</p>
  70 <p class="p4"><span class="Apple-tab-span">     </span><span class="s2">Pseq</span>(x,1);</p>
  71 <p class="p4">});</p>
  72 <p class="p4">x = <span class="s2">Pn</span>(a, <span class="s2">inf</span>).asStream;</p>
  73 <p class="p6"><br></p>
  74 <p class="p7">Routine<span class="s3">({</span></p>
  75 <p class="p4"><span class="Apple-tab-span">     </span>loop({</p>
  76 <p class="p4"><span class="Apple-tab-span">     </span><span class="s2">Synth</span>(<span class="s5">\help_sinegrain</span>, [<span class="s5">\freq</span>, (x.next*5+70).midicps]);</p>
  77 <p class="p4"><span class="Apple-tab-span">     </span>0.13.wait;</p>
  78 <p class="p4"><span class="Apple-tab-span">     </span>})</p>
  79 <p class="p4">}).play;</p>
  80 <p class="p4">)</p>
  81 <p class="p6"><br></p>
  82 <p class="p8">// using event streams</p>
  83 <p class="p6"><br></p>
  84 <p class="p4">(</p>
  85 <p class="p4">a = <span class="s2">Plazy</span>({<span class="Apple-converted-space"> </span></p>
  86 <p class="p4"><span class="Apple-tab-span">     </span><span class="s2">var</span> x, y;</p>
  87 <p class="p4"><span class="Apple-tab-span">     </span>x = <span class="s2">Array</span>.series(rrand(2, 4), [1, 5].choose, 1);</p>
  88 <p class="p4"><span class="Apple-tab-span">     </span>x.put(x.size.rand, 8+0.1.rand2);</p>
  89 <p class="p7"><span class="s3"><span class="Apple-tab-span">    </span></span>Pbind<span class="s3">(</span></p>
  90 <p class="p5"><span class="s3"><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></span>\instrument<span class="s3">, </span>\help_sinegrain<span class="s3">,</span></p>
  91 <p class="p4"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s5">\dur</span>, 0.12,</p>
  92 <p class="p4"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s5">\degree</span>, <span class="s2">Pseq</span>(x, 2)</p>
  93 <p class="p4"><span class="Apple-tab-span">     </span>)</p>
  94 <p class="p4">});</p>
  95 <p class="p6"><br></p>
  96 <p class="p4"><span class="s2">Pn</span>(a, <span class="s2">inf</span>).play;</p>
  97 <p class="p4">)</p>
  98 <p class="p6"><br></p>
  99 <p class="p6"><br></p>
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 102 <p class="p6"><br></p>
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